import time
import requests

def resilient_request(payload, max_retries=3):
    """Make requests with automatic retry — failures are free"""

    for attempt in range(max_retries):
        try:
            response = requests.post(
                "https://api.anyapi.ai/v1/chat/completions",
                headers={
                    "Authorization": f"Bearer {API_KEY}",
                    "Content-Type": "application/json"
                },
                json=payload
            )

            result = response.json()
            content = result.get("choices", [{}])[0].get("message", {}).get("content")
            completion_tokens = result.get("usage", {}).get("completion_tokens", 0)

            if content and completion_tokens > 0:
                return {"success": True, "content": content}

            # Empty response — protected by insurance, retry
            print(f"Attempt {attempt + 1}: Empty response, retrying...")

        except Exception as e:
            print(f"Attempt {attempt + 1}: Failed with {e}")

        if attempt < max_retries - 1:
            time.sleep(2 ** attempt)

    return {"success": False, "message": "All attempts failed — no charges for failures"}

result = resilient_request({
    "model": "openai/gpt-5",
    "messages": [{"role": "user", "content": "Explain quantum computing"}]
})

import requests

def request_with_fallback(prompt):
    """Try multiple models — only pay for the one that succeeds"""

    models = [
        "openai/gpt-5",
        "anthropic/claude-sonnet-4",
        "google/gemini-2.5-flash"
    ]

    for model in models:
        try:
            response = requests.post(
                "https://api.anyapi.ai/v1/chat/completions",
                headers={
                    "Authorization": f"Bearer {API_KEY}",
                    "Content-Type": "application/json"
                },
                json={
                    "model": model,
                    "messages": [{"role": "user", "content": prompt}]
                }
            )

            result = response.json()
            content = result.get("choices", [{}])[0].get("message", {}).get("content")

            if content:
                return {"model": model, "content": content}

            print(f"{model} returned empty — trying next (no charge)")

        except Exception:
            print(f"{model} failed — trying next (no charge)")

    return None